PreparED Study Materials
Videos
System of Interest's Impact on Force Pair Cancellation in Newton's Thi
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Explore the nuances of Newton's third law and learn how the choice of the 'system of interest' influences force pair cancellation.
Determining Kinetic Friction with a Spring-Loaded Block
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Understand how to determine the coefficient of kinetic friction using a wooden block and a spring. Employing the law of conservation of energy, we use the spring's compression and stretch measurements. Through energy equations and Newton's second law, we deduce that ? equals 0.4.
Amusement Park Divers: Speed and Physics Analysis
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Step into the thrilling world of amusement park divers as we explore the physics behind their jaw-dropping stunts. Diving from a platform 21.3 meters (70 feet) above a pool of water, we investigate the announcer's claim that divers enter the water at a speed of 56 miles per hour (25 meters per second). We'll also uncover the possibility of divers leaping directly upward to achieve a specific water entry speed and examine the physical feasibility of such a feat. Join us for an educational journey
Calculating Resistance and Current in a 6.00-V Car Electrical System
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Learn how to determine the hot resistance and current in the electrical system of older cars with a 6.00-V voltage supply.
Calculating Ion Path Radius in a Mass Spectrometer: Electric vs Magnet
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Explore how a mass spectrometer works by analyzing an ion's path through the device. Understand the relationship between electric and magnetic fields in determining the ion's trajectory. Learn to compute the radius of an ion's path within the mass spectrometer.
Gravitational Force on the Sun: Earth's Seasonal Variations
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Explore the intriguing interplay of Earth's elliptical orbit, the changing seasons, and the gravitational forces it exerts on the Sun. We'll provide insights into the ratio of these forces and challenge you to consider multiple perspectives on this celestial phenomenon.



















